{"data":{"id":"us/30-cfr-75.517-1","jurisdiction":"us","citation":"30 CFR 75.517-1","heading":"-1 Power wires and cables; insulation and protection.","body":"Power wires and cables installed on or after March 30, 1970, shall have insulation with a dielectric strength at least equal to the voltage of the circuit.","path":["Title 30—Mineral Resources","CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","Subpart F—Electrical Equipment—General"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-30.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:25:24Z","sha256":"cad355176e4078cff1e57cb92348cc406dd7f2cce24b12ab1fc0b3366578db67","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-75.517","next":"us/30-cfr-75.517-2"},"notice":"GroundRules: Original legal text. Not legal advice."}